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What Can Altmetric.com Tell Us About Policy Citations of Research?
An Analysis of Altmetric.com Data for Research Articles from the University of Sheffield

Text CorrectionIn the original article, there was an error. **We reported: “At present Altmetric.com tracks 96,550 research outputs at the University of Sheffield with 1,463 of them being cited by at least one policy document. This means that 0.65% of Sheffield research, across all disciplines, is cited by at least one policy document. – this percentage is incorrect and should read as “At present Altmetric.com tracks 96,550 research outputs at the University of Sheffield with 1,463 of them being cited by at least one policy document. This means that 1.41% of Sheffield research, across all disciplines, is cited by at least one policy document.”**.A correction has been made to **RESULTS**, **Second column – 4th Paragraph**:**Insert CORRECTED paragraph**The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.